1 // Tencent is pleased to support the open source community by making RapidJSON available.
2 //
3 // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
4 //
5 // Licensed under the MIT License (the "License"); you may not use this file except
6 // in compliance with the License. You may obtain a copy of the License at
7 //
8 // http://opensource.org/licenses/MIT
9 //
10 // Unless required by applicable law or agreed to in writing, software distributed
11 // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
12 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
13 // specific language governing permissions and limitations under the License.
14 
15 #include "unittest.h"
16 
17 #include "rapidjson/reader.h"
18 #include "rapidjson/internal/dtoa.h"
19 #include "rapidjson/internal/itoa.h"
20 #include "rapidjson/memorystream.h"
21 
22 using namespace rapidjson;
23 
24 #ifdef __GNUC__
25 RAPIDJSON_DIAG_PUSH
26 RAPIDJSON_DIAG_OFF(effc++)
27 RAPIDJSON_DIAG_OFF(float-equal)
28 #endif
29 
30 template<bool expect>
31 struct ParseBoolHandler : BaseReaderHandler<UTF8<>, ParseBoolHandler<expect> > {
ParseBoolHandlerParseBoolHandler32     ParseBoolHandler() : step_(0) {}
DefaultParseBoolHandler33     bool Default() { ADD_FAILURE(); return false; }
34     // gcc 4.8.x generates warning in EXPECT_EQ(bool, bool) on this gtest version.
35     // Workaround with EXPECT_TRUE().
BoolParseBoolHandler36     bool Bool(bool b) { /*EXPECT_EQ(expect, b); */EXPECT_TRUE(expect == b);  ++step_; return true; }
37 
38     unsigned step_;
39 };
40 
TEST(Reader,ParseTrue)41 TEST(Reader, ParseTrue) {
42     StringStream s("true");
43     ParseBoolHandler<true> h;
44     Reader reader;
45     reader.Parse(s, h);
46     EXPECT_EQ(1u, h.step_);
47 }
48 
TEST(Reader,ParseFalse)49 TEST(Reader, ParseFalse) {
50     StringStream s("false");
51     ParseBoolHandler<false> h;
52     Reader reader;
53     reader.Parse(s, h);
54     EXPECT_EQ(1u, h.step_);
55 }
56 
57 struct ParseIntHandler : BaseReaderHandler<UTF8<>, ParseIntHandler> {
ParseIntHandlerParseIntHandler58     ParseIntHandler() : step_(0), actual_() {}
DefaultParseIntHandler59     bool Default() { ADD_FAILURE(); return false; }
IntParseIntHandler60     bool Int(int i) { actual_ = i; step_++; return true; }
61 
62     unsigned step_;
63     int actual_;
64 };
65 
66 struct ParseUintHandler : BaseReaderHandler<UTF8<>, ParseUintHandler> {
ParseUintHandlerParseUintHandler67     ParseUintHandler() : step_(0), actual_() {}
DefaultParseUintHandler68     bool Default() { ADD_FAILURE(); return false; }
UintParseUintHandler69     bool Uint(unsigned i) { actual_ = i; step_++; return true; }
70 
71     unsigned step_;
72     unsigned actual_;
73 };
74 
75 struct ParseInt64Handler : BaseReaderHandler<UTF8<>, ParseInt64Handler> {
ParseInt64HandlerParseInt64Handler76     ParseInt64Handler() : step_(0), actual_() {}
DefaultParseInt64Handler77     bool Default() { ADD_FAILURE(); return false; }
Int64ParseInt64Handler78     bool Int64(int64_t i) { actual_ = i; step_++; return true; }
79 
80     unsigned step_;
81     int64_t actual_;
82 };
83 
84 struct ParseUint64Handler : BaseReaderHandler<UTF8<>, ParseUint64Handler> {
ParseUint64HandlerParseUint64Handler85     ParseUint64Handler() : step_(0), actual_() {}
DefaultParseUint64Handler86     bool Default() { ADD_FAILURE(); return false; }
Uint64ParseUint64Handler87     bool Uint64(uint64_t i) { actual_ = i; step_++; return true; }
88 
89     unsigned step_;
90     uint64_t actual_;
91 };
92 
93 struct ParseDoubleHandler : BaseReaderHandler<UTF8<>, ParseDoubleHandler> {
ParseDoubleHandlerParseDoubleHandler94     ParseDoubleHandler() : step_(0), actual_() {}
DefaultParseDoubleHandler95     bool Default() { ADD_FAILURE(); return false; }
DoubleParseDoubleHandler96     bool Double(double d) { actual_ = d; step_++; return true; }
97 
98     unsigned step_;
99     double actual_;
100 };
101 
TEST(Reader,ParseNumber_Integer)102 TEST(Reader, ParseNumber_Integer) {
103 #define TEST_INTEGER(Handler, str, x) \
104     { \
105         StringStream s(str); \
106         Handler h; \
107         Reader reader; \
108         reader.Parse(s, h); \
109         EXPECT_EQ(1u, h.step_); \
110         EXPECT_EQ(x, h.actual_); \
111     }
112 
113     TEST_INTEGER(ParseUintHandler, "0", 0u);
114     TEST_INTEGER(ParseUintHandler, "123", 123u);
115     TEST_INTEGER(ParseUintHandler, "2147483648", 2147483648u);       // 2^31 - 1 (cannot be stored in int)
116     TEST_INTEGER(ParseUintHandler, "4294967295", 4294967295u);
117 
118     TEST_INTEGER(ParseIntHandler, "-123", -123);
119     TEST_INTEGER(ParseIntHandler, "-2147483648", static_cast<int32_t>(0x80000000));     // -2^31 (min of int)
120 
121     TEST_INTEGER(ParseUint64Handler, "4294967296", RAPIDJSON_UINT64_C2(1, 0));   // 2^32 (max of unsigned + 1, force to use uint64_t)
122     TEST_INTEGER(ParseUint64Handler, "18446744073709551615", RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0xFFFFFFFF));   // 2^64 - 1 (max of uint64_t)
123 
124     TEST_INTEGER(ParseInt64Handler, "-2147483649", static_cast<int64_t>(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x7FFFFFFF)));   // -2^31 -1 (min of int - 1, force to use int64_t)
125     TEST_INTEGER(ParseInt64Handler, "-9223372036854775808", static_cast<int64_t>(RAPIDJSON_UINT64_C2(0x80000000, 0x00000000)));       // -2^63 (min of int64_t)
126 
127     // Random test for uint32_t/int32_t
128     {
129         union {
130             uint32_t u;
131             int32_t i;
132         }u;
133         Random r;
134 
135         for (unsigned i = 0; i < 100000; i++) {
136             u.u = r();
137 
138             char buffer[32];
139             *internal::u32toa(u.u, buffer) = '\0';
140             TEST_INTEGER(ParseUintHandler, buffer, u.u);
141 
142             if (u.i < 0) {
143                 *internal::i32toa(u.i, buffer) = '\0';
144                 TEST_INTEGER(ParseIntHandler, buffer, u.i);
145             }
146         }
147     }
148 
149     // Random test for uint64_t/int64_t
150     {
151         union {
152             uint64_t u;
153             int64_t i;
154         }u;
155         Random r;
156 
157         for (unsigned i = 0; i < 100000; i++) {
158             u.u = uint64_t(r()) << 32;
159             u.u |= r();
160 
161             char buffer[32];
162             if (u.u >= 4294967296ULL) {
163                 *internal::u64toa(u.u, buffer) = '\0';
164                 TEST_INTEGER(ParseUint64Handler, buffer, u.u);
165             }
166 
167             if (u.i <= -2147483649LL) {
168                 *internal::i64toa(u.i, buffer) = '\0';
169                 TEST_INTEGER(ParseInt64Handler, buffer, u.i);
170             }
171         }
172     }
173 #undef TEST_INTEGER
174 }
175 
176 template<bool fullPrecision>
TestParseDouble()177 static void TestParseDouble() {
178 #define TEST_DOUBLE(fullPrecision, str, x) \
179     { \
180         StringStream s(str); \
181         ParseDoubleHandler h; \
182         Reader reader; \
183         ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code()); \
184         EXPECT_EQ(1u, h.step_); \
185         internal::Double e(x), a(h.actual_); \
186         if (fullPrecision) { \
187             EXPECT_EQ(e.Uint64Value(), a.Uint64Value()); \
188             if (e.Uint64Value() != a.Uint64Value()) \
189                 printf("  String: %s\n  Actual: %.17g\nExpected: %.17g\n", str, h.actual_, x); \
190         } \
191         else { \
192             EXPECT_EQ(e.Sign(), a.Sign()); /* for 0.0 != -0.0 */ \
193             EXPECT_DOUBLE_EQ(x, h.actual_); \
194         } \
195     }
196 
197     TEST_DOUBLE(fullPrecision, "0.0", 0.0);
198     TEST_DOUBLE(fullPrecision, "-0.0", -0.0); // For checking issue #289
199     TEST_DOUBLE(fullPrecision, "1.0", 1.0);
200     TEST_DOUBLE(fullPrecision, "-1.0", -1.0);
201     TEST_DOUBLE(fullPrecision, "1.5", 1.5);
202     TEST_DOUBLE(fullPrecision, "-1.5", -1.5);
203     TEST_DOUBLE(fullPrecision, "3.1416", 3.1416);
204     TEST_DOUBLE(fullPrecision, "1E10", 1E10);
205     TEST_DOUBLE(fullPrecision, "1e10", 1e10);
206     TEST_DOUBLE(fullPrecision, "1E+10", 1E+10);
207     TEST_DOUBLE(fullPrecision, "1E-10", 1E-10);
208     TEST_DOUBLE(fullPrecision, "-1E10", -1E10);
209     TEST_DOUBLE(fullPrecision, "-1e10", -1e10);
210     TEST_DOUBLE(fullPrecision, "-1E+10", -1E+10);
211     TEST_DOUBLE(fullPrecision, "-1E-10", -1E-10);
212     TEST_DOUBLE(fullPrecision, "1.234E+10", 1.234E+10);
213     TEST_DOUBLE(fullPrecision, "1.234E-10", 1.234E-10);
214     TEST_DOUBLE(fullPrecision, "1.79769e+308", 1.79769e+308);
215     TEST_DOUBLE(fullPrecision, "2.22507e-308", 2.22507e-308);
216     TEST_DOUBLE(fullPrecision, "-1.79769e+308", -1.79769e+308);
217     TEST_DOUBLE(fullPrecision, "-2.22507e-308", -2.22507e-308);
218     TEST_DOUBLE(fullPrecision, "4.9406564584124654e-324", 4.9406564584124654e-324); // minimum denormal
219     TEST_DOUBLE(fullPrecision, "2.2250738585072009e-308", 2.2250738585072009e-308); // Max subnormal double
220     TEST_DOUBLE(fullPrecision, "2.2250738585072014e-308", 2.2250738585072014e-308); // Min normal positive double
221     TEST_DOUBLE(fullPrecision, "1.7976931348623157e+308", 1.7976931348623157e+308); // Max double
222     TEST_DOUBLE(fullPrecision, "1e-10000", 0.0);                                    // must underflow
223     TEST_DOUBLE(fullPrecision, "18446744073709551616", 18446744073709551616.0);     // 2^64 (max of uint64_t + 1, force to use double)
224     TEST_DOUBLE(fullPrecision, "-9223372036854775809", -9223372036854775809.0);     // -2^63 - 1(min of int64_t + 1, force to use double)
225     TEST_DOUBLE(fullPrecision, "0.9868011474609375", 0.9868011474609375);           // https://github.com/miloyip/rapidjson/issues/120
226     TEST_DOUBLE(fullPrecision, "123e34", 123e34);                                   // Fast Path Cases In Disguise
227     TEST_DOUBLE(fullPrecision, "45913141877270640000.0", 45913141877270640000.0);
228     TEST_DOUBLE(fullPrecision, "2.2250738585072011e-308", 2.2250738585072011e-308); // http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
229     TEST_DOUBLE(fullPrecision, "1e-00011111111111", 0.0);                           // Issue #313
230     TEST_DOUBLE(fullPrecision, "-1e-00011111111111", -0.0);
231     TEST_DOUBLE(fullPrecision, "1e-214748363", 0.0);                                  // Maximum supported negative exponent
232     TEST_DOUBLE(fullPrecision, "1e-214748364", 0.0);
233     TEST_DOUBLE(fullPrecision, "1e-21474836311", 0.0);
234     TEST_DOUBLE(fullPrecision, "0.017976931348623157e+310", 1.7976931348623157e+308); // Max double in another form
235 
236     // Since
237     // abs((2^-1022 - 2^-1074) - 2.2250738585072012e-308) = 3.109754131239141401123495768877590405345064751974375599... �� 10^-324
238     // abs((2^-1022) - 2.2250738585072012e-308) = 1.830902327173324040642192159804623318305533274168872044... �� 10 ^ -324
239     // So 2.2250738585072012e-308 should round to 2^-1022 = 2.2250738585072014e-308
240     TEST_DOUBLE(fullPrecision, "2.2250738585072012e-308", 2.2250738585072014e-308); // http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
241 
242     // More closer to normal/subnormal boundary
243     // boundary = 2^-1022 - 2^-1075 = 2.225073858507201136057409796709131975934819546351645648... �� 10^-308
244     TEST_DOUBLE(fullPrecision, "2.22507385850720113605740979670913197593481954635164564e-308", 2.2250738585072009e-308);
245     TEST_DOUBLE(fullPrecision, "2.22507385850720113605740979670913197593481954635164565e-308", 2.2250738585072014e-308);
246 
247     // 1.0 is in (1.0 - 2^-54, 1.0 + 2^-53)
248     // 1.0 - 2^-54 = 0.999999999999999944488848768742172978818416595458984375
249     TEST_DOUBLE(fullPrecision, "0.999999999999999944488848768742172978818416595458984375", 1.0); // round to even
250     TEST_DOUBLE(fullPrecision, "0.999999999999999944488848768742172978818416595458984374", 0.99999999999999989); // previous double
251     TEST_DOUBLE(fullPrecision, "0.999999999999999944488848768742172978818416595458984376", 1.0); // next double
252     // 1.0 + 2^-53 = 1.00000000000000011102230246251565404236316680908203125
253     TEST_DOUBLE(fullPrecision, "1.00000000000000011102230246251565404236316680908203125", 1.0); // round to even
254     TEST_DOUBLE(fullPrecision, "1.00000000000000011102230246251565404236316680908203124", 1.0); // previous double
255     TEST_DOUBLE(fullPrecision, "1.00000000000000011102230246251565404236316680908203126", 1.00000000000000022); // next double
256 
257     // Numbers from https://github.com/floitsch/double-conversion/blob/master/test/cctest/test-strtod.cc
258 
259     TEST_DOUBLE(fullPrecision, "72057594037927928.0", 72057594037927928.0);
260     TEST_DOUBLE(fullPrecision, "72057594037927936.0", 72057594037927936.0);
261     TEST_DOUBLE(fullPrecision, "72057594037927932.0", 72057594037927936.0);
262     TEST_DOUBLE(fullPrecision, "7205759403792793199999e-5", 72057594037927928.0);
263     TEST_DOUBLE(fullPrecision, "7205759403792793200001e-5", 72057594037927936.0);
264 
265     TEST_DOUBLE(fullPrecision, "9223372036854774784.0", 9223372036854774784.0);
266     TEST_DOUBLE(fullPrecision, "9223372036854775808.0", 9223372036854775808.0);
267     TEST_DOUBLE(fullPrecision, "9223372036854775296.0", 9223372036854775808.0);
268     TEST_DOUBLE(fullPrecision, "922337203685477529599999e-5", 9223372036854774784.0);
269     TEST_DOUBLE(fullPrecision, "922337203685477529600001e-5", 9223372036854775808.0);
270 
271     TEST_DOUBLE(fullPrecision, "10141204801825834086073718800384", 10141204801825834086073718800384.0);
272     TEST_DOUBLE(fullPrecision, "10141204801825835211973625643008", 10141204801825835211973625643008.0);
273     TEST_DOUBLE(fullPrecision, "10141204801825834649023672221696", 10141204801825835211973625643008.0);
274     TEST_DOUBLE(fullPrecision, "1014120480182583464902367222169599999e-5", 10141204801825834086073718800384.0);
275     TEST_DOUBLE(fullPrecision, "1014120480182583464902367222169600001e-5", 10141204801825835211973625643008.0);
276 
277     TEST_DOUBLE(fullPrecision, "5708990770823838890407843763683279797179383808", 5708990770823838890407843763683279797179383808.0);
278     TEST_DOUBLE(fullPrecision, "5708990770823839524233143877797980545530986496", 5708990770823839524233143877797980545530986496.0);
279     TEST_DOUBLE(fullPrecision, "5708990770823839207320493820740630171355185152", 5708990770823839524233143877797980545530986496.0);
280     TEST_DOUBLE(fullPrecision, "5708990770823839207320493820740630171355185151999e-3", 5708990770823838890407843763683279797179383808.0);
281     TEST_DOUBLE(fullPrecision, "5708990770823839207320493820740630171355185152001e-3", 5708990770823839524233143877797980545530986496.0);
282 
283     {
284         char n1e308[310];   // '1' followed by 308 '0'
285         n1e308[0] = '1';
286         for (int i = 1; i < 309; i++)
287             n1e308[i] = '0';
288         n1e308[309] = '\0';
289         TEST_DOUBLE(fullPrecision, n1e308, 1E308);
290     }
291 
292     // Cover trimming
293     TEST_DOUBLE(fullPrecision,
294 "2.22507385850720113605740979670913197593481954635164564802342610972482222202107694551652952390813508"
295 "7914149158913039621106870086438694594645527657207407820621743379988141063267329253552286881372149012"
296 "9811224514518898490572223072852551331557550159143974763979834118019993239625482890171070818506906306"
297 "6665599493827577257201576306269066333264756530000924588831643303777979186961204949739037782970490505"
298 "1080609940730262937128958950003583799967207254304360284078895771796150945516748243471030702609144621"
299 "5722898802581825451803257070188608721131280795122334262883686223215037756666225039825343359745688844"
300 "2390026549819838548794829220689472168983109969836584681402285424333066033985088644580400103493397042"
301 "7567186443383770486037861622771738545623065874679014086723327636718751234567890123456789012345678901"
302 "e-308",
303     2.2250738585072014e-308);
304 
305     {
306         static const unsigned count = 100; // Tested with 1000000 locally
307         Random r;
308         Reader reader; // Reusing reader to prevent heap allocation
309 
310         // Exhaustively test different exponents with random significant
311         for (uint64_t exp = 0; exp < 2047; exp++) {
312             ;
313             for (unsigned i = 0; i < count; i++) {
314                 // Need to call r() in two statements for cross-platform coherent sequence.
315                 uint64_t u = (exp << 52) | uint64_t(r() & 0x000FFFFF) << 32;
316                 u |= uint64_t(r());
317                 internal::Double d = internal::Double(u);
318 
319                 char buffer[32];
320                 *internal::dtoa(d.Value(), buffer) = '\0';
321 
322                 StringStream s(buffer);
323                 ParseDoubleHandler h;
324                 ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code());
325                 EXPECT_EQ(1u, h.step_);
326                 internal::Double a(h.actual_);
327                 if (fullPrecision) {
328                     EXPECT_EQ(d.Uint64Value(), a.Uint64Value());
329                     if (d.Uint64Value() != a.Uint64Value())
330                         printf("  String: %s\n  Actual: %.17g\nExpected: %.17g\n", buffer, h.actual_, d.Value());
331                 }
332                 else {
333                     EXPECT_EQ(d.Sign(), a.Sign()); // for 0.0 != -0.0
334                     EXPECT_DOUBLE_EQ(d.Value(), h.actual_);
335                 }
336             }
337         }
338     }
339 
340     // Issue #340
341     TEST_DOUBLE(fullPrecision, "7.450580596923828e-9", 7.450580596923828e-9);
342     {
343         internal::Double d(1.0);
344         for (int i = 0; i < 324; i++) {
345             char buffer[32];
346             *internal::dtoa(d.Value(), buffer) = '\0';
347 
348             StringStream s(buffer);
349             ParseDoubleHandler h;
350             Reader reader;
351             ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code());
352             EXPECT_EQ(1u, h.step_);
353             internal::Double a(h.actual_);
354             if (fullPrecision) {
355                 EXPECT_EQ(d.Uint64Value(), a.Uint64Value());
356                 if (d.Uint64Value() != a.Uint64Value())
357                     printf("  String: %s\n  Actual: %.17g\nExpected: %.17g\n", buffer, h.actual_, d.Value());
358             }
359             else {
360                 EXPECT_EQ(d.Sign(), a.Sign()); // for 0.0 != -0.0
361                 EXPECT_DOUBLE_EQ(d.Value(), h.actual_);
362             }
363 
364 
365             d = d.Value() * 0.5;
366         }
367     }
368 #undef TEST_DOUBLE
369 }
370 
TEST(Reader,ParseNumber_NormalPrecisionDouble)371 TEST(Reader, ParseNumber_NormalPrecisionDouble) {
372     TestParseDouble<false>();
373 }
374 
TEST(Reader,ParseNumber_FullPrecisionDouble)375 TEST(Reader, ParseNumber_FullPrecisionDouble) {
376     TestParseDouble<true>();
377 }
378 
TEST(Reader,ParseNumber_NormalPrecisionError)379 TEST(Reader, ParseNumber_NormalPrecisionError) {
380     static unsigned count = 1000000;
381     Random r;
382 
383     double ulpSum = 0.0;
384     double ulpMax = 0.0;
385     for (unsigned i = 0; i < count; i++) {
386         internal::Double e, a;
387         do {
388             // Need to call r() in two statements for cross-platform coherent sequence.
389             uint64_t u = uint64_t(r()) << 32;
390             u |= uint64_t(r());
391             e = u;
392         } while (e.IsNan() || e.IsInf() || !e.IsNormal());
393 
394         char buffer[32];
395         *internal::dtoa(e.Value(), buffer) = '\0';
396 
397         StringStream s(buffer);
398         ParseDoubleHandler h;
399         Reader reader;
400         ASSERT_EQ(kParseErrorNone, reader.Parse(s, h).Code());
401         EXPECT_EQ(1u, h.step_);
402 
403         a = h.actual_;
404         uint64_t bias1 = e.ToBias();
405         uint64_t bias2 = a.ToBias();
406         double ulp = bias1 >= bias2 ? bias1 - bias2 : bias2 - bias1;
407         ulpMax = std::max(ulpMax, ulp);
408         ulpSum += ulp;
409     }
410     printf("ULP Average = %g, Max = %g \n", ulpSum / count, ulpMax);
411 }
412 
TEST(Reader,ParseNumber_Error)413 TEST(Reader, ParseNumber_Error) {
414 #define TEST_NUMBER_ERROR(errorCode, str) \
415     { \
416         char buffer[1001]; \
417         sprintf(buffer, "%s", str); \
418         InsituStringStream s(buffer); \
419         BaseReaderHandler<> h; \
420         Reader reader; \
421         EXPECT_FALSE(reader.Parse(s, h)); \
422         EXPECT_EQ(errorCode, reader.GetParseErrorCode());\
423     }
424 
425     // Number too big to be stored in double.
426     {
427         char n1e309[311];   // '1' followed by 309 '0'
428         n1e309[0] = '1';
429         for (int i = 1; i < 310; i++)
430             n1e309[i] = '0';
431         n1e309[310] = '\0';
432         TEST_NUMBER_ERROR(kParseErrorNumberTooBig, n1e309);
433     }
434     TEST_NUMBER_ERROR(kParseErrorNumberTooBig, "1e309");
435 
436     // Miss fraction part in number.
437     TEST_NUMBER_ERROR(kParseErrorNumberMissFraction, "1.");
438     TEST_NUMBER_ERROR(kParseErrorNumberMissFraction, "1.a");
439 
440     // Miss exponent in number.
441     TEST_NUMBER_ERROR(kParseErrorNumberMissExponent, "1e");
442     TEST_NUMBER_ERROR(kParseErrorNumberMissExponent, "1e_");
443 
444 #undef TEST_NUMBER_ERROR
445 }
446 
447 template <typename Encoding>
448 struct ParseStringHandler : BaseReaderHandler<Encoding, ParseStringHandler<Encoding> > {
ParseStringHandlerParseStringHandler449     ParseStringHandler() : str_(0), length_(0), copy_() {}
~ParseStringHandlerParseStringHandler450     ~ParseStringHandler() { EXPECT_TRUE(str_ != 0); if (copy_) free(const_cast<typename Encoding::Ch*>(str_)); }
451 
452     ParseStringHandler(const ParseStringHandler&);
453     ParseStringHandler& operator=(const ParseStringHandler&);
454 
DefaultParseStringHandler455     bool Default() { ADD_FAILURE(); return false; }
StringParseStringHandler456     bool String(const typename Encoding::Ch* str, size_t length, bool copy) {
457         EXPECT_EQ(0, str_);
458         if (copy) {
459             str_ = (typename Encoding::Ch*)malloc((length + 1) * sizeof(typename Encoding::Ch));
460             memcpy(const_cast<typename Encoding::Ch*>(str_), str, (length + 1) * sizeof(typename Encoding::Ch));
461         }
462         else
463             str_ = str;
464         length_ = length;
465         copy_ = copy;
466         return true;
467     }
468 
469     const typename Encoding::Ch* str_;
470     size_t length_;
471     bool copy_;
472 };
473 
TEST(Reader,ParseString)474 TEST(Reader, ParseString) {
475 #define TEST_STRING(Encoding, e, x) \
476     { \
477         Encoding::Ch* buffer = StrDup(x); \
478         GenericInsituStringStream<Encoding> is(buffer); \
479         ParseStringHandler<Encoding> h; \
480         GenericReader<Encoding, Encoding> reader; \
481         reader.Parse<kParseInsituFlag | kParseValidateEncodingFlag>(is, h); \
482         EXPECT_EQ(0, StrCmp<Encoding::Ch>(e, h.str_)); \
483         EXPECT_EQ(StrLen(e), h.length_); \
484         free(buffer); \
485         GenericStringStream<Encoding> s(x); \
486         ParseStringHandler<Encoding> h2; \
487         GenericReader<Encoding, Encoding> reader2; \
488         reader2.Parse(s, h2); \
489         EXPECT_EQ(0, StrCmp<Encoding::Ch>(e, h2.str_)); \
490         EXPECT_EQ(StrLen(e), h2.length_); \
491     }
492 
493     // String constant L"\xXX" can only specify character code in bytes, which is not endianness-neutral.
494     // And old compiler does not support u"" and U"" string literal. So here specify string literal by array of Ch.
495     // In addition, GCC 4.8 generates -Wnarrowing warnings when character code >= 128 are assigned to signed integer types.
496     // Therefore, utype is added for declaring unsigned array, and then cast it to Encoding::Ch.
497 #define ARRAY(...) { __VA_ARGS__ }
498 #define TEST_STRINGARRAY(Encoding, utype, array, x) \
499     { \
500         static const utype ue[] = array; \
501         static const Encoding::Ch* e = reinterpret_cast<const Encoding::Ch *>(&ue[0]); \
502         TEST_STRING(Encoding, e, x); \
503     }
504 
505 #define TEST_STRINGARRAY2(Encoding, utype, earray, xarray) \
506     { \
507         static const utype ue[] = earray; \
508         static const utype xe[] = xarray; \
509         static const Encoding::Ch* e = reinterpret_cast<const Encoding::Ch *>(&ue[0]); \
510         static const Encoding::Ch* x = reinterpret_cast<const Encoding::Ch *>(&xe[0]); \
511         TEST_STRING(Encoding, e, x); \
512     }
513 
514     TEST_STRING(UTF8<>, "", "\"\"");
515     TEST_STRING(UTF8<>, "Hello", "\"Hello\"");
516     TEST_STRING(UTF8<>, "Hello\nWorld", "\"Hello\\nWorld\"");
517     TEST_STRING(UTF8<>, "\"\\/\b\f\n\r\t", "\"\\\"\\\\/\\b\\f\\n\\r\\t\"");
518     TEST_STRING(UTF8<>, "\x24", "\"\\u0024\"");         // Dollar sign U+0024
519     TEST_STRING(UTF8<>, "\xC2\xA2", "\"\\u00A2\"");     // Cents sign U+00A2
520     TEST_STRING(UTF8<>, "\xE2\x82\xAC", "\"\\u20AC\""); // Euro sign U+20AC
521     TEST_STRING(UTF8<>, "\xF0\x9D\x84\x9E", "\"\\uD834\\uDD1E\"");  // G clef sign U+1D11E
522 
523     // UTF16
524     TEST_STRING(UTF16<>, L"", L"\"\"");
525     TEST_STRING(UTF16<>, L"Hello", L"\"Hello\"");
526     TEST_STRING(UTF16<>, L"Hello\nWorld", L"\"Hello\\nWorld\"");
527     TEST_STRING(UTF16<>, L"\"\\/\b\f\n\r\t", L"\"\\\"\\\\/\\b\\f\\n\\r\\t\"");
528     TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0x0024, 0x0000), L"\"\\u0024\"");
529     TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0x00A2, 0x0000), L"\"\\u00A2\"");  // Cents sign U+00A2
530     TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0x20AC, 0x0000), L"\"\\u20AC\"");  // Euro sign U+20AC
531     TEST_STRINGARRAY(UTF16<>, wchar_t, ARRAY(0xD834, 0xDD1E, 0x0000), L"\"\\uD834\\uDD1E\"");   // G clef sign U+1D11E
532 
533     // UTF32
534     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('\0'), ARRAY('\"', '\"', '\0'));
535     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('H', 'e', 'l', 'l', 'o', '\0'), ARRAY('\"', 'H', 'e', 'l', 'l', 'o', '\"', '\0'));
536     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('H', 'e', 'l', 'l', 'o', '\n', 'W', 'o', 'r', 'l', 'd', '\0'), ARRAY('\"', 'H', 'e', 'l', 'l', 'o', '\\', 'n', 'W', 'o', 'r', 'l', 'd', '\"', '\0'));
537     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY('\"', '\\', '/', '\b', '\f', '\n', '\r', '\t', '\0'), ARRAY('\"', '\\', '\"', '\\', '\\', '/', '\\', 'b', '\\', 'f', '\\', 'n', '\\', 'r', '\\', 't', '\"', '\0'));
538     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x00024, 0x0000), ARRAY('\"', '\\', 'u', '0', '0', '2', '4', '\"', '\0'));
539     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x000A2, 0x0000), ARRAY('\"', '\\', 'u', '0', '0', 'A', '2', '\"', '\0'));   // Cents sign U+00A2
540     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x020AC, 0x0000), ARRAY('\"', '\\', 'u', '2', '0', 'A', 'C', '\"', '\0'));   // Euro sign U+20AC
541     TEST_STRINGARRAY2(UTF32<>, unsigned, ARRAY(0x1D11E, 0x0000), ARRAY('\"', '\\', 'u', 'D', '8', '3', '4', '\\', 'u', 'D', 'D', '1', 'E', '\"', '\0'));    // G clef sign U+1D11E
542 
543 #undef TEST_STRINGARRAY
544 #undef ARRAY
545 #undef TEST_STRING
546 
547     // Support of null character in string
548     {
549         StringStream s("\"Hello\\u0000World\"");
550         const char e[] = "Hello\0World";
551         ParseStringHandler<UTF8<> > h;
552         Reader reader;
553         reader.Parse(s, h);
554         EXPECT_EQ(0, memcmp(e, h.str_, h.length_ + 1));
555         EXPECT_EQ(11u, h.length_);
556     }
557 }
558 
TEST(Reader,ParseString_Transcoding)559 TEST(Reader, ParseString_Transcoding) {
560     const char* x = "\"Hello\"";
561     const wchar_t* e = L"Hello";
562     GenericStringStream<UTF8<> > is(x);
563     GenericReader<UTF8<>, UTF16<> > reader;
564     ParseStringHandler<UTF16<> > h;
565     reader.Parse(is, h);
566     EXPECT_EQ(0, StrCmp<UTF16<>::Ch>(e, h.str_));
567     EXPECT_EQ(StrLen(e), h.length_);
568 }
569 
TEST(Reader,ParseString_TranscodingWithValidation)570 TEST(Reader, ParseString_TranscodingWithValidation) {
571     const char* x = "\"Hello\"";
572     const wchar_t* e = L"Hello";
573     GenericStringStream<UTF8<> > is(x);
574     GenericReader<UTF8<>, UTF16<> > reader;
575     ParseStringHandler<UTF16<> > h;
576     reader.Parse<kParseValidateEncodingFlag>(is, h);
577     EXPECT_EQ(0, StrCmp<UTF16<>::Ch>(e, h.str_));
578     EXPECT_EQ(StrLen(e), h.length_);
579 }
580 
TEST(Reader,ParseString_NonDestructive)581 TEST(Reader, ParseString_NonDestructive) {
582     StringStream s("\"Hello\\nWorld\"");
583     ParseStringHandler<UTF8<> > h;
584     Reader reader;
585     reader.Parse(s, h);
586     EXPECT_EQ(0, StrCmp("Hello\nWorld", h.str_));
587     EXPECT_EQ(11u, h.length_);
588 }
589 
590 template <typename Encoding>
TestString(const typename Encoding::Ch * str)591 ParseErrorCode TestString(const typename Encoding::Ch* str) {
592     GenericStringStream<Encoding> s(str);
593     BaseReaderHandler<Encoding> h;
594     GenericReader<Encoding, Encoding> reader;
595     reader.template Parse<kParseValidateEncodingFlag>(s, h);
596     return reader.GetParseErrorCode();
597 }
598 
TEST(Reader,ParseString_Error)599 TEST(Reader, ParseString_Error) {
600 #define TEST_STRING_ERROR(errorCode, str)\
601         EXPECT_EQ(errorCode, TestString<UTF8<> >(str))
602 
603 #define ARRAY(...) { __VA_ARGS__ }
604 #define TEST_STRINGENCODING_ERROR(Encoding, TargetEncoding, utype, array) \
605     { \
606         static const utype ue[] = array; \
607         static const Encoding::Ch* e = reinterpret_cast<const Encoding::Ch *>(&ue[0]); \
608         EXPECT_EQ(kParseErrorStringInvalidEncoding, TestString<Encoding>(e));\
609         /* decode error */\
610         GenericStringStream<Encoding> s(e);\
611         BaseReaderHandler<TargetEncoding> h;\
612         GenericReader<Encoding, TargetEncoding> reader;\
613         reader.Parse(s, h);\
614         EXPECT_EQ(kParseErrorStringInvalidEncoding, reader.GetParseErrorCode());\
615     }
616 
617     // Invalid escape character in string.
618     TEST_STRING_ERROR(kParseErrorStringEscapeInvalid, "[\"\\a\"]");
619 
620     // Incorrect hex digit after \\u escape in string.
621     TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uABCG\"]");
622 
623     // Quotation in \\u escape in string (Issue #288)
624     TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uaaa\"]");
625     TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uD800\\uFFF\"]");
626 
627     // The surrogate pair in string is invalid.
628     TEST_STRING_ERROR(kParseErrorStringUnicodeSurrogateInvalid, "[\"\\uD800X\"]");
629     TEST_STRING_ERROR(kParseErrorStringUnicodeSurrogateInvalid, "[\"\\uD800\\uFFFF\"]");
630 
631     // Missing a closing quotation mark in string.
632     TEST_STRING_ERROR(kParseErrorStringMissQuotationMark, "[\"Test]");
633 
634     // http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
635 
636     // 3  Malformed sequences
637 
638     // 3.1 Unexpected continuation bytes
639     {
640          char e[] = { '[', '\"', 0, '\"', ']', '\0' };
641          for (unsigned char c = 0x80u; c <= 0xBFu; c++) {
642             e[2] = c;
643             ParseErrorCode error = TestString<UTF8<> >(e);
644             EXPECT_EQ(kParseErrorStringInvalidEncoding, error);
645             if (error != kParseErrorStringInvalidEncoding)
646                 std::cout << (unsigned)(unsigned char)c << std::endl;
647          }
648     }
649 
650     // 3.2 Lonely start characters, 3.5 Impossible bytes
651     {
652         char e[] = { '[', '\"', 0, ' ', '\"', ']', '\0' };
653         for (unsigned c = 0xC0u; c <= 0xFFu; c++) {
654             e[2] = (char)c;
655             TEST_STRING_ERROR(kParseErrorStringInvalidEncoding, e);
656         }
657     }
658 
659     // 4  Overlong sequences
660 
661     // 4.1  Examples of an overlong ASCII character
662     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xC0u, 0xAFu, '\"', ']', '\0'));
663     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xE0u, 0x80u, 0xAFu, '\"', ']', '\0'));
664     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xF0u, 0x80u, 0x80u, 0xAFu, '\"', ']', '\0'));
665 
666     // 4.2  Maximum overlong sequences
667     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xC1u, 0xBFu, '\"', ']', '\0'));
668     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xE0u, 0x9Fu, 0xBFu, '\"', ']', '\0'));
669     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xF0u, 0x8Fu, 0xBFu, 0xBFu, '\"', ']', '\0'));
670 
671     // 4.3  Overlong representation of the NUL character
672     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xC0u, 0x80u, '\"', ']', '\0'));
673     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xE0u, 0x80u, 0x80u, '\"', ']', '\0'));
674     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xF0u, 0x80u, 0x80u, 0x80u, '\"', ']', '\0'));
675 
676     // 5  Illegal code positions
677 
678     // 5.1 Single UTF-16 surrogates
679     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xA0u, 0x80u, '\"', ']', '\0'));
680     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xADu, 0xBFu, '\"', ']', '\0'));
681     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xAEu, 0x80u, '\"', ']', '\0'));
682     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xAFu, 0xBFu, '\"', ']', '\0'));
683     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xB0u, 0x80u, '\"', ']', '\0'));
684     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xBEu, 0x80u, '\"', ']', '\0'));
685     TEST_STRINGENCODING_ERROR(UTF8<>, UTF16<>, unsigned char, ARRAY('[', '\"', 0xEDu, 0xBFu, 0xBFu, '\"', ']', '\0'));
686 
687     // Malform UTF-16 sequences
688     TEST_STRINGENCODING_ERROR(UTF16<>, UTF8<>, wchar_t, ARRAY('[', '\"', 0xDC00, 0xDC00, '\"', ']', '\0'));
689     TEST_STRINGENCODING_ERROR(UTF16<>, UTF8<>, wchar_t, ARRAY('[', '\"', 0xD800, 0xD800, '\"', ']', '\0'));
690 
691     // Malform UTF-32 sequence
692     TEST_STRINGENCODING_ERROR(UTF32<>, UTF8<>, unsigned, ARRAY('[', '\"', 0x110000, '\"', ']', '\0'));
693 
694     // Malform ASCII sequence
695     TEST_STRINGENCODING_ERROR(ASCII<>, UTF8<>, char, ARRAY('[', '\"', char(0x80), '\"', ']', '\0'));
696 
697 #undef ARRAY
698 #undef TEST_STRINGARRAY_ERROR
699 }
700 
701 template <unsigned count>
702 struct ParseArrayHandler : BaseReaderHandler<UTF8<>, ParseArrayHandler<count> > {
ParseArrayHandlerParseArrayHandler703     ParseArrayHandler() : step_(0) {}
704 
DefaultParseArrayHandler705     bool Default() { ADD_FAILURE(); return false; }
UintParseArrayHandler706     bool Uint(unsigned i) { EXPECT_EQ(step_, i); step_++; return true; }
StartArrayParseArrayHandler707     bool StartArray() { EXPECT_EQ(0u, step_); step_++; return true; }
EndArrayParseArrayHandler708     bool EndArray(SizeType) { step_++; return true; }
709 
710     unsigned step_;
711 };
712 
TEST(Reader,ParseEmptyArray)713 TEST(Reader, ParseEmptyArray) {
714     char *json = StrDup("[ ] ");
715     InsituStringStream s(json);
716     ParseArrayHandler<0> h;
717     Reader reader;
718     reader.Parse(s, h);
719     EXPECT_EQ(2u, h.step_);
720     free(json);
721 }
722 
TEST(Reader,ParseArray)723 TEST(Reader, ParseArray) {
724     char *json = StrDup("[1, 2, 3, 4]");
725     InsituStringStream s(json);
726     ParseArrayHandler<4> h;
727     Reader reader;
728     reader.Parse(s, h);
729     EXPECT_EQ(6u, h.step_);
730     free(json);
731 }
732 
TEST(Reader,ParseArray_Error)733 TEST(Reader, ParseArray_Error) {
734 #define TEST_ARRAY_ERROR(errorCode, str) \
735     { \
736         char buffer[1001]; \
737         strncpy(buffer, str, 1000); \
738         InsituStringStream s(buffer); \
739         BaseReaderHandler<> h; \
740         GenericReader<UTF8<>, UTF8<>, CrtAllocator> reader; \
741         EXPECT_FALSE(reader.Parse(s, h)); \
742         EXPECT_EQ(errorCode, reader.GetParseErrorCode());\
743     }
744 
745     // Missing a comma or ']' after an array element.
746     TEST_ARRAY_ERROR(kParseErrorArrayMissCommaOrSquareBracket, "[1");
747     TEST_ARRAY_ERROR(kParseErrorArrayMissCommaOrSquareBracket, "[1}");
748     TEST_ARRAY_ERROR(kParseErrorArrayMissCommaOrSquareBracket, "[1 2]");
749 
750 #undef TEST_ARRAY_ERROR
751 }
752 
753 struct ParseObjectHandler : BaseReaderHandler<UTF8<>, ParseObjectHandler> {
ParseObjectHandlerParseObjectHandler754     ParseObjectHandler() : step_(0) {}
755 
DefaultParseObjectHandler756     bool Default() { ADD_FAILURE(); return false; }
NullParseObjectHandler757     bool Null() { EXPECT_EQ(8u, step_); step_++; return true; }
BoolParseObjectHandler758     bool Bool(bool b) {
759         switch(step_) {
760             case 4: EXPECT_TRUE(b); step_++; return true;
761             case 6: EXPECT_FALSE(b); step_++; return true;
762             default: ADD_FAILURE(); return false;
763         }
764     }
IntParseObjectHandler765     bool Int(int i) {
766         switch(step_) {
767             case 10: EXPECT_EQ(123, i); step_++; return true;
768             case 15: EXPECT_EQ(1, i); step_++; return true;
769             case 16: EXPECT_EQ(2, i); step_++; return true;
770             case 17: EXPECT_EQ(3, i); step_++; return true;
771             default: ADD_FAILURE(); return false;
772         }
773     }
UintParseObjectHandler774     bool Uint(unsigned i) { return Int(i); }
DoubleParseObjectHandler775     bool Double(double d) { EXPECT_EQ(12u, step_); EXPECT_DOUBLE_EQ(3.1416, d); step_++; return true; }
StringParseObjectHandler776     bool String(const char* str, size_t, bool) {
777         switch(step_) {
778             case 1: EXPECT_STREQ("hello", str); step_++; return true;
779             case 2: EXPECT_STREQ("world", str); step_++; return true;
780             case 3: EXPECT_STREQ("t", str); step_++; return true;
781             case 5: EXPECT_STREQ("f", str); step_++; return true;
782             case 7: EXPECT_STREQ("n", str); step_++; return true;
783             case 9: EXPECT_STREQ("i", str); step_++; return true;
784             case 11: EXPECT_STREQ("pi", str); step_++; return true;
785             case 13: EXPECT_STREQ("a", str); step_++; return true;
786             default: ADD_FAILURE(); return false;
787         }
788     }
StartObjectParseObjectHandler789     bool StartObject() { EXPECT_EQ(0u, step_); step_++; return true; }
EndObjectParseObjectHandler790     bool EndObject(SizeType memberCount) { EXPECT_EQ(19u, step_); EXPECT_EQ(7u, memberCount); step_++; return true; }
StartArrayParseObjectHandler791     bool StartArray() { EXPECT_EQ(14u, step_); step_++; return true; }
EndArrayParseObjectHandler792     bool EndArray(SizeType elementCount) { EXPECT_EQ(18u, step_); EXPECT_EQ(3u, elementCount); step_++; return true; }
793 
794     unsigned step_;
795 };
796 
TEST(Reader,ParseObject)797 TEST(Reader, ParseObject) {
798     const char* json = "{ \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3] } ";
799 
800     // Insitu
801     {
802         char* json2 = StrDup(json);
803         InsituStringStream s(json2);
804         ParseObjectHandler h;
805         Reader reader;
806         reader.Parse<kParseInsituFlag>(s, h);
807         EXPECT_EQ(20u, h.step_);
808         free(json2);
809     }
810 
811     // Normal
812     {
813         StringStream s(json);
814         ParseObjectHandler h;
815         Reader reader;
816         reader.Parse(s, h);
817         EXPECT_EQ(20u, h.step_);
818     }
819 }
820 
821 struct ParseEmptyObjectHandler : BaseReaderHandler<UTF8<>, ParseEmptyObjectHandler> {
ParseEmptyObjectHandlerParseEmptyObjectHandler822     ParseEmptyObjectHandler() : step_(0) {}
823 
DefaultParseEmptyObjectHandler824     bool Default() { ADD_FAILURE(); return false; }
StartObjectParseEmptyObjectHandler825     bool StartObject() { EXPECT_EQ(0u, step_); step_++; return true; }
EndObjectParseEmptyObjectHandler826     bool EndObject(SizeType) { EXPECT_EQ(1u, step_); step_++; return true; }
827 
828     unsigned step_;
829 };
830 
TEST(Reader,Parse_EmptyObject)831 TEST(Reader, Parse_EmptyObject) {
832     StringStream s("{ } ");
833     ParseEmptyObjectHandler h;
834     Reader reader;
835     reader.Parse(s, h);
836     EXPECT_EQ(2u, h.step_);
837 }
838 
839 struct ParseMultipleRootHandler : BaseReaderHandler<UTF8<>, ParseMultipleRootHandler> {
ParseMultipleRootHandlerParseMultipleRootHandler840     ParseMultipleRootHandler() : step_(0) {}
841 
DefaultParseMultipleRootHandler842     bool Default() { ADD_FAILURE(); return false; }
StartObjectParseMultipleRootHandler843     bool StartObject() { EXPECT_EQ(0u, step_); step_++; return true; }
EndObjectParseMultipleRootHandler844     bool EndObject(SizeType) { EXPECT_EQ(1u, step_); step_++; return true; }
StartArrayParseMultipleRootHandler845     bool StartArray() { EXPECT_EQ(2u, step_); step_++; return true; }
EndArrayParseMultipleRootHandler846     bool EndArray(SizeType) { EXPECT_EQ(3u, step_); step_++; return true; }
847 
848     unsigned step_;
849 };
850 
851 template <unsigned parseFlags>
TestMultipleRoot()852 void TestMultipleRoot() {
853     StringStream s("{}[] a");
854     ParseMultipleRootHandler h;
855     Reader reader;
856     EXPECT_TRUE(reader.Parse<parseFlags>(s, h));
857     EXPECT_EQ(2u, h.step_);
858     EXPECT_TRUE(reader.Parse<parseFlags>(s, h));
859     EXPECT_EQ(4u, h.step_);
860     EXPECT_EQ(' ', s.Take());
861     EXPECT_EQ('a', s.Take());
862 }
863 
TEST(Reader,Parse_MultipleRoot)864 TEST(Reader, Parse_MultipleRoot) {
865     TestMultipleRoot<kParseStopWhenDoneFlag>();
866 }
867 
TEST(Reader,ParseIterative_MultipleRoot)868 TEST(Reader, ParseIterative_MultipleRoot) {
869     TestMultipleRoot<kParseIterativeFlag | kParseStopWhenDoneFlag>();
870 }
871 
872 template <unsigned parseFlags>
TestInsituMultipleRoot()873 void TestInsituMultipleRoot() {
874     char* buffer = strdup("{}[] a");
875     InsituStringStream s(buffer);
876     ParseMultipleRootHandler h;
877     Reader reader;
878     EXPECT_TRUE(reader.Parse<kParseInsituFlag | parseFlags>(s, h));
879     EXPECT_EQ(2u, h.step_);
880     EXPECT_TRUE(reader.Parse<kParseInsituFlag | parseFlags>(s, h));
881     EXPECT_EQ(4u, h.step_);
882     EXPECT_EQ(' ', s.Take());
883     EXPECT_EQ('a', s.Take());
884     free(buffer);
885 }
886 
TEST(Reader,ParseInsitu_MultipleRoot)887 TEST(Reader, ParseInsitu_MultipleRoot) {
888     TestInsituMultipleRoot<kParseStopWhenDoneFlag>();
889 }
890 
TEST(Reader,ParseInsituIterative_MultipleRoot)891 TEST(Reader, ParseInsituIterative_MultipleRoot) {
892     TestInsituMultipleRoot<kParseIterativeFlag | kParseStopWhenDoneFlag>();
893 }
894 
895 #define TEST_ERROR(errorCode, str) \
896     { \
897         char buffer[1001]; \
898         strncpy(buffer, str, 1000); \
899         InsituStringStream s(buffer); \
900         BaseReaderHandler<> h; \
901         Reader reader; \
902         EXPECT_FALSE(reader.Parse(s, h)); \
903         EXPECT_EQ(errorCode, reader.GetParseErrorCode());\
904     }
905 
TEST(Reader,ParseDocument_Error)906 TEST(Reader, ParseDocument_Error) {
907     // The document is empty.
908     TEST_ERROR(kParseErrorDocumentEmpty, "");
909     TEST_ERROR(kParseErrorDocumentEmpty, " ");
910     TEST_ERROR(kParseErrorDocumentEmpty, " \n");
911 
912     // The document root must not follow by other values.
913     TEST_ERROR(kParseErrorDocumentRootNotSingular, "[] 0");
914     TEST_ERROR(kParseErrorDocumentRootNotSingular, "{} 0");
915     TEST_ERROR(kParseErrorDocumentRootNotSingular, "null []");
916     TEST_ERROR(kParseErrorDocumentRootNotSingular, "0 {}");
917 }
918 
TEST(Reader,ParseValue_Error)919 TEST(Reader, ParseValue_Error) {
920     // Invalid value.
921     TEST_ERROR(kParseErrorValueInvalid, "nulL");
922     TEST_ERROR(kParseErrorValueInvalid, "truE");
923     TEST_ERROR(kParseErrorValueInvalid, "falsE");
924     TEST_ERROR(kParseErrorValueInvalid, "a]");
925     TEST_ERROR(kParseErrorValueInvalid, ".1");
926 }
927 
TEST(Reader,ParseObject_Error)928 TEST(Reader, ParseObject_Error) {
929     // Missing a name for object member.
930     TEST_ERROR(kParseErrorObjectMissName, "{1}");
931     TEST_ERROR(kParseErrorObjectMissName, "{:1}");
932     TEST_ERROR(kParseErrorObjectMissName, "{null:1}");
933     TEST_ERROR(kParseErrorObjectMissName, "{true:1}");
934     TEST_ERROR(kParseErrorObjectMissName, "{false:1}");
935     TEST_ERROR(kParseErrorObjectMissName, "{1:1}");
936     TEST_ERROR(kParseErrorObjectMissName, "{[]:1}");
937     TEST_ERROR(kParseErrorObjectMissName, "{{}:1}");
938     TEST_ERROR(kParseErrorObjectMissName, "{xyz:1}");
939 
940     // Missing a colon after a name of object member.
941     TEST_ERROR(kParseErrorObjectMissColon, "{\"a\" 1}");
942     TEST_ERROR(kParseErrorObjectMissColon, "{\"a\",1}");
943 
944     // Must be a comma or '}' after an object member
945     TEST_ERROR(kParseErrorObjectMissCommaOrCurlyBracket, "{\"a\":1]");
946 
947     // This tests that MemoryStream is checking the length in Peek().
948     {
949         MemoryStream ms("{\"a\"", 1);
950         BaseReaderHandler<> h;
951         Reader reader;
952         EXPECT_FALSE(reader.Parse<kParseStopWhenDoneFlag>(ms, h));
953         EXPECT_EQ(kParseErrorObjectMissName, reader.GetParseErrorCode());
954     }
955 }
956 
957 #undef TEST_ERROR
958 
TEST(Reader,SkipWhitespace)959 TEST(Reader, SkipWhitespace) {
960     StringStream ss(" A \t\tB\n \n\nC\r\r \rD \t\n\r E");
961     const char* expected = "ABCDE";
962     for (size_t i = 0; i < 5; i++) {
963         SkipWhitespace(ss);
964         EXPECT_EQ(expected[i], ss.Take());
965     }
966 }
967 
968 // Test implementing a stream without copy stream optimization.
969 // Clone from GenericStringStream except that copy constructor is disabled.
970 template <typename Encoding>
971 class CustomStringStream {
972 public:
973     typedef typename Encoding::Ch Ch;
974 
CustomStringStream(const Ch * src)975     CustomStringStream(const Ch *src) : src_(src), head_(src) {}
976 
Peek() const977     Ch Peek() const { return *src_; }
Take()978     Ch Take() { return *src_++; }
Tell() const979     size_t Tell() const { return static_cast<size_t>(src_ - head_); }
980 
PutBegin()981     Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
Put(Ch)982     void Put(Ch) { RAPIDJSON_ASSERT(false); }
Flush()983     void Flush() { RAPIDJSON_ASSERT(false); }
PutEnd(Ch *)984     size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
985 
986 private:
987     // Prohibit copy constructor & assignment operator.
988     CustomStringStream(const CustomStringStream&);
989     CustomStringStream& operator=(const CustomStringStream&);
990 
991     const Ch* src_;     //!< Current read position.
992     const Ch* head_;    //!< Original head of the string.
993 };
994 
995 // If the following code is compiled, it should generate compilation error as predicted.
996 // Because CustomStringStream<> is not copyable via making copy constructor private.
997 #if 0
998 namespace rapidjson {
999 
1000 template <typename Encoding>
1001 struct StreamTraits<CustomStringStream<Encoding> > {
1002     enum { copyOptimization = 1 };
1003 };
1004 
1005 } // namespace rapidjson
1006 #endif
1007 
TEST(Reader,CustomStringStream)1008 TEST(Reader, CustomStringStream) {
1009     const char* json = "{ \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3] } ";
1010     CustomStringStream<UTF8<char> > s(json);
1011     ParseObjectHandler h;
1012     Reader reader;
1013     reader.Parse(s, h);
1014     EXPECT_EQ(20u, h.step_);
1015 }
1016 
1017 #include <sstream>
1018 
1019 class IStreamWrapper {
1020 public:
1021     typedef char Ch;
1022 
IStreamWrapper(std::istream & is)1023     IStreamWrapper(std::istream& is) : is_(is) {}
1024 
Peek() const1025     Ch Peek() const {
1026         int c = is_.peek();
1027         return c == std::char_traits<char>::eof() ? '\0' : (Ch)c;
1028     }
1029 
Take()1030     Ch Take() {
1031         int c = is_.get();
1032         return c == std::char_traits<char>::eof() ? '\0' : (Ch)c;
1033     }
1034 
Tell() const1035     size_t Tell() const { return (size_t)is_.tellg(); }
1036 
PutBegin()1037     Ch* PutBegin() { assert(false); return 0; }
Put(Ch)1038     void Put(Ch) { assert(false); }
Flush()1039     void Flush() { assert(false); }
PutEnd(Ch *)1040     size_t PutEnd(Ch*) { assert(false); return 0; }
1041 
1042 private:
1043     IStreamWrapper(const IStreamWrapper&);
1044     IStreamWrapper& operator=(const IStreamWrapper&);
1045 
1046     std::istream& is_;
1047 };
1048 
TEST(Reader,Parse_IStreamWrapper_StringStream)1049 TEST(Reader, Parse_IStreamWrapper_StringStream) {
1050     const char* json = "[1,2,3,4]";
1051 
1052     std::stringstream ss(json);
1053     IStreamWrapper is(ss);
1054 
1055     Reader reader;
1056     ParseArrayHandler<4> h;
1057     reader.Parse(is, h);
1058     EXPECT_FALSE(reader.HasParseError());
1059 }
1060 
1061 // Test iterative parsing.
1062 
1063 #define TESTERRORHANDLING(text, errorCode, offset)\
1064 {\
1065     StringStream json(text); \
1066     BaseReaderHandler<> handler; \
1067     Reader reader; \
1068     reader.Parse<kParseIterativeFlag>(json, handler); \
1069     EXPECT_TRUE(reader.HasParseError()); \
1070     EXPECT_EQ(errorCode, reader.GetParseErrorCode()); \
1071     EXPECT_EQ(offset, reader.GetErrorOffset()); \
1072 }
1073 
TEST(Reader,IterativeParsing_ErrorHandling)1074 TEST(Reader, IterativeParsing_ErrorHandling) {
1075     TESTERRORHANDLING("{\"a\": a}", kParseErrorValueInvalid, 6u);
1076 
1077     TESTERRORHANDLING("", kParseErrorDocumentEmpty, 0u);
1078     TESTERRORHANDLING("{}{}", kParseErrorDocumentRootNotSingular, 2u);
1079 
1080     TESTERRORHANDLING("{1}", kParseErrorObjectMissName, 1u);
1081     TESTERRORHANDLING("{\"a\", 1}", kParseErrorObjectMissColon, 4u);
1082     TESTERRORHANDLING("{\"a\"}", kParseErrorObjectMissColon, 4u);
1083     TESTERRORHANDLING("{\"a\": 1", kParseErrorObjectMissCommaOrCurlyBracket, 7u);
1084     TESTERRORHANDLING("[1 2 3]", kParseErrorArrayMissCommaOrSquareBracket, 3u);
1085     TESTERRORHANDLING("{\"a: 1", kParseErrorStringMissQuotationMark, 5u);
1086 
1087     // Any JSON value can be a valid root element in RFC7159.
1088     TESTERRORHANDLING("\"ab", kParseErrorStringMissQuotationMark, 2u);
1089     TESTERRORHANDLING("truE", kParseErrorValueInvalid, 3u);
1090     TESTERRORHANDLING("False", kParseErrorValueInvalid, 0u);
1091     TESTERRORHANDLING("true, false", kParseErrorDocumentRootNotSingular, 4u);
1092     TESTERRORHANDLING("false, false", kParseErrorDocumentRootNotSingular, 5u);
1093     TESTERRORHANDLING("nulL", kParseErrorValueInvalid, 3u);
1094     TESTERRORHANDLING("null , null", kParseErrorDocumentRootNotSingular, 5u);
1095     TESTERRORHANDLING("1a", kParseErrorDocumentRootNotSingular, 1u);
1096 }
1097 
1098 template<typename Encoding = UTF8<> >
1099 struct IterativeParsingReaderHandler {
1100     typedef typename Encoding::Ch Ch;
1101 
1102     const static int LOG_NULL = -1;
1103     const static int LOG_BOOL = -2;
1104     const static int LOG_INT = -3;
1105     const static int LOG_UINT = -4;
1106     const static int LOG_INT64 = -5;
1107     const static int LOG_UINT64 = -6;
1108     const static int LOG_DOUBLE = -7;
1109     const static int LOG_STRING = -8;
1110     const static int LOG_STARTOBJECT = -9;
1111     const static int LOG_KEY = -10;
1112     const static int LOG_ENDOBJECT = -11;
1113     const static int LOG_STARTARRAY = -12;
1114     const static int LOG_ENDARRAY = -13;
1115 
1116     const static size_t LogCapacity = 256;
1117     int Logs[LogCapacity];
1118     size_t LogCount;
1119 
IterativeParsingReaderHandlerIterativeParsingReaderHandler1120     IterativeParsingReaderHandler() : LogCount(0) {
1121     }
1122 
NullIterativeParsingReaderHandler1123     bool Null() { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_NULL; return true; }
1124 
BoolIterativeParsingReaderHandler1125     bool Bool(bool) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_BOOL; return true; }
1126 
IntIterativeParsingReaderHandler1127     bool Int(int) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_INT; return true; }
1128 
UintIterativeParsingReaderHandler1129     bool Uint(unsigned) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_INT; return true; }
1130 
Int64IterativeParsingReaderHandler1131     bool Int64(int64_t) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_INT64; return true; }
1132 
Uint64IterativeParsingReaderHandler1133     bool Uint64(uint64_t) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_UINT64; return true; }
1134 
DoubleIterativeParsingReaderHandler1135     bool Double(double) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_DOUBLE; return true; }
1136 
StringIterativeParsingReaderHandler1137     bool String(const Ch*, SizeType, bool) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_STRING; return true; }
1138 
StartObjectIterativeParsingReaderHandler1139     bool StartObject() { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_STARTOBJECT; return true; }
1140 
KeyIterativeParsingReaderHandler1141     bool Key (const Ch*, SizeType, bool) { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_KEY; return true; }
1142 
EndObjectIterativeParsingReaderHandler1143     bool EndObject(SizeType c) {
1144         RAPIDJSON_ASSERT(LogCount < LogCapacity);
1145         Logs[LogCount++] = LOG_ENDOBJECT;
1146         Logs[LogCount++] = (int)c;
1147         return true;
1148     }
1149 
StartArrayIterativeParsingReaderHandler1150     bool StartArray() { RAPIDJSON_ASSERT(LogCount < LogCapacity); Logs[LogCount++] = LOG_STARTARRAY; return true; }
1151 
EndArrayIterativeParsingReaderHandler1152     bool EndArray(SizeType c) {
1153         RAPIDJSON_ASSERT(LogCount < LogCapacity);
1154         Logs[LogCount++] = LOG_ENDARRAY;
1155         Logs[LogCount++] = (int)c;
1156         return true;
1157     }
1158 };
1159 
TEST(Reader,IterativeParsing_General)1160 TEST(Reader, IterativeParsing_General) {
1161     {
1162         StringStream is("[1, {\"k\": [1, 2]}, null, false, true, \"string\", 1.2]");
1163         Reader reader;
1164         IterativeParsingReaderHandler<> handler;
1165 
1166         ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
1167 
1168         EXPECT_FALSE(r.IsError());
1169         EXPECT_FALSE(reader.HasParseError());
1170 
1171         int e[] = {
1172             handler.LOG_STARTARRAY,
1173             handler.LOG_INT,
1174             handler.LOG_STARTOBJECT,
1175             handler.LOG_KEY,
1176             handler.LOG_STARTARRAY,
1177             handler.LOG_INT,
1178             handler.LOG_INT,
1179             handler.LOG_ENDARRAY, 2,
1180             handler.LOG_ENDOBJECT, 1,
1181             handler.LOG_NULL,
1182             handler.LOG_BOOL,
1183             handler.LOG_BOOL,
1184             handler.LOG_STRING,
1185             handler.LOG_DOUBLE,
1186             handler.LOG_ENDARRAY, 7
1187         };
1188 
1189         EXPECT_EQ(sizeof(e) / sizeof(int), handler.LogCount);
1190 
1191         for (size_t i = 0; i < handler.LogCount; ++i) {
1192             EXPECT_EQ(e[i], handler.Logs[i]) << "i = " << i;
1193         }
1194     }
1195 }
1196 
TEST(Reader,IterativeParsing_Count)1197 TEST(Reader, IterativeParsing_Count) {
1198     {
1199         StringStream is("[{}, {\"k\": 1}, [1], []]");
1200         Reader reader;
1201         IterativeParsingReaderHandler<> handler;
1202 
1203         ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
1204 
1205         EXPECT_FALSE(r.IsError());
1206         EXPECT_FALSE(reader.HasParseError());
1207 
1208         int e[] = {
1209             handler.LOG_STARTARRAY,
1210             handler.LOG_STARTOBJECT,
1211             handler.LOG_ENDOBJECT, 0,
1212             handler.LOG_STARTOBJECT,
1213             handler.LOG_KEY,
1214             handler.LOG_INT,
1215             handler.LOG_ENDOBJECT, 1,
1216             handler.LOG_STARTARRAY,
1217             handler.LOG_INT,
1218             handler.LOG_ENDARRAY, 1,
1219             handler.LOG_STARTARRAY,
1220             handler.LOG_ENDARRAY, 0,
1221             handler.LOG_ENDARRAY, 4
1222         };
1223 
1224         EXPECT_EQ(sizeof(e) / sizeof(int), handler.LogCount);
1225 
1226         for (size_t i = 0; i < handler.LogCount; ++i) {
1227             EXPECT_EQ(e[i], handler.Logs[i]) << "i = " << i;
1228         }
1229     }
1230 }
1231 
1232 // Test iterative parsing on kParseErrorTermination.
1233 struct HandlerTerminateAtStartObject : public IterativeParsingReaderHandler<> {
StartObjectHandlerTerminateAtStartObject1234     bool StartObject() { return false; }
1235 };
1236 
1237 struct HandlerTerminateAtStartArray : public IterativeParsingReaderHandler<> {
StartArrayHandlerTerminateAtStartArray1238     bool StartArray() { return false; }
1239 };
1240 
1241 struct HandlerTerminateAtEndObject : public IterativeParsingReaderHandler<> {
EndObjectHandlerTerminateAtEndObject1242     bool EndObject(SizeType) { return false; }
1243 };
1244 
1245 struct HandlerTerminateAtEndArray : public IterativeParsingReaderHandler<> {
EndArrayHandlerTerminateAtEndArray1246     bool EndArray(SizeType) { return false; }
1247 };
1248 
TEST(Reader,IterativeParsing_ShortCircuit)1249 TEST(Reader, IterativeParsing_ShortCircuit) {
1250     {
1251         HandlerTerminateAtStartObject handler;
1252         Reader reader;
1253         StringStream is("[1, {}]");
1254 
1255         ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
1256 
1257         EXPECT_TRUE(reader.HasParseError());
1258         EXPECT_EQ(kParseErrorTermination, r.Code());
1259         EXPECT_EQ(4u, r.Offset());
1260     }
1261 
1262     {
1263         HandlerTerminateAtStartArray handler;
1264         Reader reader;
1265         StringStream is("{\"a\": []}");
1266 
1267         ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
1268 
1269         EXPECT_TRUE(reader.HasParseError());
1270         EXPECT_EQ(kParseErrorTermination, r.Code());
1271         EXPECT_EQ(6u, r.Offset());
1272     }
1273 
1274     {
1275         HandlerTerminateAtEndObject handler;
1276         Reader reader;
1277         StringStream is("[1, {}]");
1278 
1279         ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
1280 
1281         EXPECT_TRUE(reader.HasParseError());
1282         EXPECT_EQ(kParseErrorTermination, r.Code());
1283         EXPECT_EQ(5u, r.Offset());
1284     }
1285 
1286     {
1287         HandlerTerminateAtEndArray handler;
1288         Reader reader;
1289         StringStream is("{\"a\": []}");
1290 
1291         ParseResult r = reader.Parse<kParseIterativeFlag>(is, handler);
1292 
1293         EXPECT_TRUE(reader.HasParseError());
1294         EXPECT_EQ(kParseErrorTermination, r.Code());
1295         EXPECT_EQ(7u, r.Offset());
1296     }
1297 }
1298 
1299 // For covering BaseReaderHandler default functions
TEST(Reader,BaseReaderHandler_Default)1300 TEST(Reader, BaseReaderHandler_Default) {
1301     BaseReaderHandler<> h;
1302     Reader reader;
1303     StringStream is("[null, true, -1, 1, -1234567890123456789, 1234567890123456789, 3.14, \"s\", { \"a\" : 1 }]");
1304     EXPECT_TRUE(reader.Parse(is, h));
1305 }
1306 
1307 template <int e>
1308 struct TerminateHandler {
NullTerminateHandler1309     bool Null() { return e != 0; }
BoolTerminateHandler1310     bool Bool(bool) { return e != 1; }
IntTerminateHandler1311     bool Int(int) { return e != 2; }
UintTerminateHandler1312     bool Uint(unsigned) { return e != 3; }
Int64TerminateHandler1313     bool Int64(int64_t) { return e != 4; }
Uint64TerminateHandler1314     bool Uint64(uint64_t) { return e != 5;  }
DoubleTerminateHandler1315     bool Double(double) { return e != 6; }
StringTerminateHandler1316     bool String(const char*, SizeType, bool) { return e != 7; }
StartObjectTerminateHandler1317     bool StartObject() { return e != 8; }
KeyTerminateHandler1318     bool Key(const char*, SizeType, bool)  { return e != 9; }
EndObjectTerminateHandler1319     bool EndObject(SizeType) { return e != 10; }
StartArrayTerminateHandler1320     bool StartArray() { return e != 11; }
EndArrayTerminateHandler1321     bool EndArray(SizeType) { return e != 12; }
1322 };
1323 
1324 #define TEST_TERMINATION(e, json)\
1325 {\
1326     Reader reader;\
1327     TerminateHandler<e> h;\
1328     StringStream is(json);\
1329     EXPECT_FALSE(reader.Parse(is, h));\
1330     EXPECT_EQ(kParseErrorTermination, reader.GetParseErrorCode());\
1331 }
1332 
TEST(Reader,ParseTerminationByHandler)1333 TEST(Reader, ParseTerminationByHandler) {
1334     TEST_TERMINATION(0, "[null");
1335     TEST_TERMINATION(1, "[true");
1336     TEST_TERMINATION(1, "[false");
1337     TEST_TERMINATION(2, "[-1");
1338     TEST_TERMINATION(3, "[1");
1339     TEST_TERMINATION(4, "[-1234567890123456789");
1340     TEST_TERMINATION(5, "[1234567890123456789");
1341     TEST_TERMINATION(6, "[0.5]");
1342     TEST_TERMINATION(7, "[\"a\"");
1343     TEST_TERMINATION(8, "[{");
1344     TEST_TERMINATION(9, "[{\"a\"");
1345     TEST_TERMINATION(10, "[{}");
1346     TEST_TERMINATION(10, "[{\"a\":1}"); // non-empty object
1347     TEST_TERMINATION(11, "{\"a\":[");
1348     TEST_TERMINATION(12, "{\"a\":[]");
1349     TEST_TERMINATION(12, "{\"a\":[1]"); // non-empty array
1350 }
1351 
1352 #ifdef __GNUC__
1353 RAPIDJSON_DIAG_POP
1354 #endif
1355